﻿//
// Copyright (c) 2008-2011, Kenneth Bell
//
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// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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using System.Collections.Generic;
using System.Net;

namespace DiscUtils.Net.Dns
{
    /// <summary>
    /// Represents an endpoint (address, port, etc) that provides a DNS-SD service instance.
    /// </summary>
    public sealed class ServiceInstanceEndPoint
    {
        private readonly IPEndPoint[] _ipEndPoints;

        internal ServiceInstanceEndPoint(int priority, int weight, int port, string address, IPEndPoint[] ipEndPoints)
        {
            Priority = priority;
            Weight = weight;
            Port = port;
            DnsAddress = address;
            _ipEndPoints = ipEndPoints;
        }

        /// <summary>
        /// Gets the DNS address of this EndPoint.
        /// </summary>
        public string DnsAddress { get; }

        /// <summary>
        /// Gets the IP addresses (as IPEndPoint instances) of this EndPoint.
        /// </summary>
        public IEnumerable<IPEndPoint> IPEndPoints
        {
            get { return _ipEndPoints; }
        }

        /// <summary>
        /// Gets the port of this EndPoint.
        /// </summary>
        public int Port { get; }

        /// <summary>
        /// Gets the priority of this EndPoint (lower value is higher priority).
        /// </summary>
        public int Priority { get; }

        /// <summary>
        /// Gets the relative weight of this EndPoint when randomly choosing between EndPoints of equal priority.
        /// </summary>
        public int Weight { get; }
    }
}